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grayver
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Joined: Wed Jul 20, 2022 1:12 am

ROS 7.3 ipv6 mangle doesn't work

Thu Aug 04, 2022 3:20 am

Hello, I have RB5009 and ROS 7.3.1 installed on it. I have a wireguard tunnel established to remote VPS server. The default route is my ISP gateway. From the external BGP I get thousands of ipv4/ipv6 addresses and they are added to the main routing table with wireguard gateway. This all works fine.

However, I want some manually added addresses to be forcely routed either to ISP or to wireguard tunnel regardless the main routing table. To implement this I've done the following steps:
1. I created 2 additional routing tables (black-list and white-list). White list should go to ISP, black list should go to wireguard tunnel.
2. I added 2 routing table entries ::/0 for those routing tables with corresponding gateways.
3. In the ipv6 -> firewall -> address lists section I added few addresses to the black-list/white-list
4. In the ipv6 -> firewall -> mangle I added 2 rules for each list (chain: prerouting, dst address list: <address list>, action: mark routing, new routing mark: <routing table>, passthrough: yes)

But in the traceroute I see that my packets towards addresses from the lists go according to the main routing table, not whilte-list/black-list routing tables. Am I missing something or it's a ROS bug?
 
grayver
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Re: ROS 7.3 ipv6 mangle doesn't work

Tue Aug 09, 2022 8:07 pm

BTW, the same setup works well for ipv4.
 
mariusrad1234
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Re: ROS 7.3 ipv6 mangle doesn't work

Thu Mar 09, 2023 9:04 pm

I have the same issue , ipv6 mangle uses only main routing table. And I'm on 7.8 stable ( using rb5009 ).
 
anon1224
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Re: ROS 7.3 ipv6 mangle doesn't work

Wed Mar 29, 2023 11:53 am

same here
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